Einecs 266-160-0

1-Phenyl-3-methyl-4-(2'-benzoyloxy-4'-chlorosulfonylnaphthylazo)-5-pyrazolone

3-(benzoyloxy)-4-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]naphthalene-1-sulphonyl chloride

3-(Benzoyloxy)-4-((4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)naphthalene-1-sulphonyl chloride

1-Naphthalenesulfonyl chloride, 3-(benzoyloxy)-4-((4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)-

Benzoic acid 4-(chlorosulfonyl)-1-[[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol)-4-yl]azo]-2-naphtyl ester